rc revision 69988
1#!/bin/sh
2#
3# Copyright (c) 2000  The FreeBSD Project
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD: head/etc/rc 69988 2000-12-13 19:17:54Z bsd $
28#	From: @(#)rc	5.27 (Berkeley) 6/5/91
29#
30
31# System startup script run by init on autoboot
32# or after single-user.
33# Output and error are redirected to console by init,
34# and the console is the controlling terminal.
35
36# Note that almost all of the user-configurable behavior is no longer in
37# this file, but rather in /etc/defaults/rc.conf.  Please check that file
38# first before contemplating any changes here.  If you do need to change
39# this file for some reason, we would like to know about it.
40
41stty status '^T'
42
43# Set shell to ignore SIGINT (2), but not children;
44# shell catches SIGQUIT (3) and returns to single user after fsck.
45#
46trap : 2
47trap : 3	# shouldn't be needed
48
49bootmode=$1
50
51HOME=/
52PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
53export HOME PATH
54
55# BOOTP diskless boot.  We have to run the rc file early in order to
56# retarget various config files.
57#
58if [ -r /etc/rc.diskless1 ]; then
59	dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null`
60	if [ ${dlv:=0} != 0 ]; then
61		. /etc/rc.diskless1
62	fi
63fi
64
65# If there is a global system configuration file, suck it in.
66#
67if [ -r /etc/defaults/rc.conf ]; then
68	. /etc/defaults/rc.conf
69	source_rc_confs
70elif [ -r /etc/rc.conf ]; then
71	. /etc/rc.conf
72fi
73
74chkdepend() {
75	svc=$1
76	svc_var=$2
77	dep=$3
78	dep_var=$4
79
80	eval svc_val=\${$svc_var}
81	eval dep_val=\${$dep_var}
82
83	case ${svc_val} in
84	[Yy][Ee][Ss])
85		case ${dep_val} in
86		[Yy][Ee][Ss])
87		    ;;
88		*)
89		    eval ${dep_var}="YES"
90		    echo "DEPENDENCY NOTE: ${dep} will be enabled" \
91			 "to support ${svc}"
92		    ;;
93		esac
94		;;
95	esac
96}
97
98chkdepend amd amd_enable        portmap portmap_enable
99chkdepend NFS nfs_server_enable portmap portmap_enable
100
101# First pass at entropy recovery so the rebooting /dev/random can reseed.
102#
103case ${entropy_file} in
104[Nn][Oo] | '')
105	;;
106*)
107	if [ -w /dev/random ]; then
108		if [ -f "${entropy_file}" -a -r "${entropy_file}" -a \
109		    -s "${entropy_file}" ]; then
110			echo "Using ${entropy_file} as an entropy file"
111			cat ${entropy_file} > /dev/random 2> /dev/random
112			entropy_reseeded=yes
113		fi
114	fi
115	;;
116esac
117
118# Configure ccd devices.
119#
120if [ -r /etc/ccd.conf ]; then
121	ccdconfig -C
122fi
123
124case ${start_vinum} in
125[Yy][Ee][Ss])
126	vinum start
127	;;
128esac
129
130swapon -a
131
132case ${bootmode} in
133autoboot)
134	echo Automatic boot in progress...
135	fsck -p
136	case $? in
137	0)
138		;;
139	2)
140		exit 1
141		;;
142	4)
143		reboot
144		echo "reboot failed... help!"
145		exit 1
146		;;
147	8)
148		echo "Automatic file system check failed... help!"
149		exit 1
150		;;
151	12)
152		echo "Reboot interrupted"
153		exit 1
154		;;
155	130)
156		# interrupt before catcher installed
157		exit 1
158		;;
159	*)
160		echo "Unknown error in reboot"
161		exit 1
162		;;
163	esac
164	;;
165*)
166	echo Skipping disk checks ...
167	;;
168esac
169
170set -T
171trap "echo 'Reboot interrupted'; exit 1" 3
172
173# root normally must be read/write, but if this is a BOOTP NFS
174# diskless boot it does not have to be.
175#
176case ${root_rw_mount} in
177[Nn][Oo] | '')
178	;;
179*)
180	if ! mount -u -o rw / ; then
181		echo "Mounting root filesystem rw failed, startup aborted"
182		exit 1
183	fi
184	;;
185esac
186
187umount -a >/dev/null 2>&1
188
189# Mount everything except nfs filesystems.
190mount -a -t nonfs
191
192case $? in
1930)
194	;;
195*)
196	echo "Mounting /etc/fstab filesystems failed, startup aborted"
197	exit 1
198	;;
199esac
200
201# Run custom disk mounting function here
202#
203if [ -n "${diskless_mount}" -a -r "${diskless_mount}" ]; then
204		sh ${diskless_mount}
205fi
206
207# Second attempt at reseeding, if needed.
208#
209case ${entropy_reseeded} in
210yes)
211	;;
212*)
213	case ${entropy_file} in
214	[Nn][Oo] | '')
215		;;
216	*)
217		if [ -w /dev/random ]; then
218			if [ -f "${entropy_file}" -a -r "${entropy_file}" -a \
219			    -s "${entropy_file}" ]; then
220				echo "Using ${entropy_file} as an entropy file"
221				cat ${entropy_file} > /dev/random 2> /dev/random
222			elif [ "${entropy_file}" != /var/db/entropy -a \
223			    -f /var/db/entropy -a -r /var/db/entropy -a \
224			    -s /var/db/entropy ]; then
225				echo "Using /var/db/entropy as an entropy file"
226				cat /var/db/entropy > /dev/random 2> /dev/random
227			else
228    echo "Can't use ${entropy_file} as an entropy file, trying other sources"
229				# XXX temporary until we can get the entropy
230				# harvesting rate up
231				# Entropy below is not great,
232				# but better than nothing.
233				(ps -gauxwww; iostat; vmstat; sysctl -a;
234				    dmesg) | /bin/dd of=/dev/random bs=8k 2>/dev/null
235				( for i in /etc /var/run ; do
236					cd $i ; ls -al ; cat *
237				done ) | /bin/dd of=/dev/random bs=8k 2>/dev/null
238			fi
239		fi
240		;;
241	esac
242	;;
243esac
244
245# Remove these to prevent problems on future reboots
246rm -f "${entropy_file}" /var/db/entropy
247
248adjkerntz -i
249
250purgedir() {
251	local dir file
252
253	if [ $# -eq 0 ]; then
254		purgedir .
255	else
256		for dir
257		do
258		(
259			cd "$dir" && for file in .* *
260			do
261				[ ."$file" = .. -o ."$file" = ... ] && continue
262				[ -d "$file" -a ! -L "$file" ] &&
263					purgedir "$file"
264				[ -f "$file" ] && rm -f -- "$file"
265			done
266		)
267		done
268	fi
269}
270
271clean_var() {
272	if [ ! -f /var/run/clean_var ]; then
273		rm -rf /var/run/*
274		purgedir /var/spool/lock
275		rm -rf /var/spool/uucp/.Temp/*
276		# Keep a copy of the boot messages around
277		dmesg >/var/run/dmesg.boot
278		# And an initial utmp file
279		(cd /var/run && cp /dev/null utmp && chmod 644 utmp;)
280		>/var/run/clean_var
281	fi
282}
283
284if [ -d /var/run -a -d /var/spool/lock -a -d /var/spool/uucp/.Temp ]; then
285	# network_pass1() *may* end up writing stuff to /var - we don't want to
286	# remove it immediately afterwards - *nor* to we want to fail to clean
287	# an nfs-mounted /var.
288	clean_var
289fi
290
291# Add additional swapfile, if configured.
292#
293case ${swapfile} in
294[Nn][Oo] | '')
295	;;
296*)
297	if [ -w "${swapfile}" -a -c /dev/vn0b ]; then
298		echo "Adding ${swapfile} as additional swap."
299		vnconfig /dev/vn0b ${swapfile} && swapon /dev/vn0b
300	fi
301	;;
302esac
303
304# Set sysctl variables as early as we can
305#
306if [ -r /etc/rc.sysctl ]; then
307	. /etc/rc.sysctl
308fi
309
310# Configure serial devices
311#
312if [ -r /etc/rc.serial ]; then
313	. /etc/rc.serial
314fi
315
316# Start up PC-card configuration
317#
318if [ -r /etc/rc.pccard ]; then
319	. /etc/rc.pccard
320fi
321
322# Start up the initial network configuration.
323#
324if [ -r /etc/rc.network ]; then
325	. /etc/rc.network	# We only need to do this once.
326	network_pass1
327fi
328
329case ${ipv6_enable} in
330[Yy][Ee][Ss])
331	if [ -r /etc/rc.network6 ]; then
332		. /etc/rc.network6	# We only need to do this once also.
333		network6_pass1
334	fi
335	;;
336esac
337
338# Mount NFS filesystems if present in /etc/fstab
339case "`mount -d -a -t nfs`" in
340*mount_nfs*)
341	echo -n "Mounting NFS file systems"
342	mount -a -t nfs
343	echo .
344	;;
345esac
346
347# Whack the pty perms back into shape.
348#
349if ls /dev/tty[pqrsPQRS]* > /dev/null 2>&1; then
350	chflags 0 /dev/tty[pqrsPQRS]*
351	chmod 666 /dev/tty[pqrsPQRS]*
352	chown root:wheel /dev/tty[pqrsPQRS]*
353fi
354
355# Clean up left-over files
356#
357clean_var			# If it hasn't already been done
358rm /var/run/clean_var
359
360# Clearing /tmp at boot-time seems to have a long tradition.  It doesn't
361# help in any way for long-living systems, and it might accidentally
362# clobber files you would rather like to have preserved after a crash
363# (if not using mfs /tmp anyway).
364#
365# See also the example of another cleanup policy in /etc/periodic/daily.
366#
367case ${clear_tmp_enable} in
368[Yy][Ee][Ss])
369	echo clearing /tmp
370	# prune quickly with one rm, then use find to clean up /tmp/[lq]*
371	# (not needed with mfs /tmp, but doesn't hurt there...)
372	(cd /tmp && rm -rf [a-km-pr-zA-Z]* &&
373		find -d . ! -name . ! -name lost+found ! -name quota.user \
374		! -name quota.group -exec rm -rf -- {} \;)
375	;;
376esac
377
378# Remove X lock files, since they will prevent you from restarting X11
379# after a system crash.
380#
381rm -f /tmp/.X*-lock /tmp/.X11-unix/*
382
383# Snapshot any kernel -c changes back to disk here <someday>.
384# This has changed with ELF and /kernel.config.
385
386echo -n 'additional daemons:'
387
388# Start system logging and name service.  Named needs to start before syslogd
389# if you don't have a /etc/resolv.conf.
390#
391case ${syslogd_enable} in
392[Yy][Ee][Ss])
393	# Transitional symlink (for the next couple of years :) until all
394	# binaries have had a chance to move towards /var/run/log.
395	if [ ! -h /dev/log ]; then
396		# might complain for r/o root f/s
397		ln -sf /var/run/log /dev/log
398	fi
399
400	rm -f /var/run/log
401	echo -n ' syslogd';	syslogd ${syslogd_flags}
402	;;
403esac
404
405echo '.'
406
407# Build device name databases if we are not using DEVFS
408#
409if sysctl vfs.devfs.generation > /dev/null 2>&1 ; then
410	rm /var/run/dev.db
411else
412	dev_mkdb
413fi
414
415# Enable dumpdev so that savecore can see it.
416# /var/crash should be a directory or a symbolic link
417# to the crash directory if core dumps are to be saved.
418#
419case ${dumpdev} in
420[Nn][Oo] | '')
421	;;
422*)
423	if [ -e "${dumpdev}" -a -d /var/crash ]; then
424		dumpon -v ${dumpdev}
425		echo -n checking for core dump...
426		savecore /var/crash
427	fi
428	;;
429esac
430
431if [ -n "${network_pass1_done}" ]; then
432	network_pass2
433fi
434
435# Enable/Check the quotas (must be after ypbind if using NIS)
436#
437case ${enable_quotas} in
438[Yy][Ee][Ss])
439	case ${check_quotas} in
440	[Yy][Ee][Ss])
441		echo -n 'checking quotas:'
442		quotacheck -a
443		echo ' done.'
444		;;
445	esac
446
447	echo -n 'enabling quotas:'
448	quotaon -a
449	echo ' done.'
450	;;
451esac
452
453if [ -n "${network_pass2_done}" ]; then
454	network_pass3
455fi
456
457# Check the password temp/lock file
458#
459if [ -e /etc/ptmp ]; then
460	logger -s -p auth.err \
461	"password file may be incorrect -- /etc/ptmp exists"
462fi
463
464case ${accounting_enable} in
465[Yy][Ee][Ss])
466	if [ -d /var/account ]; then
467		echo 'turning on accounting'
468		if [ ! -e /var/account/acct ]; then
469			touch /var/account/acct
470		fi
471		accton /var/account/acct
472	fi
473	;;
474esac
475
476# Make shared lib searching a little faster.  Leave /usr/lib first if you
477# add your own entries or you may come to grief.
478#
479ldconfig="/sbin/ldconfig"
480case ${ldconfig_insecure} in
481[Yy][Ee][Ss])
482	ldconfig="${ldconfig} -i"
483	;;
484esac
485if [ -x /sbin/ldconfig ]; then
486	case `/usr/bin/objformat` in
487	elf)
488		_LDC=/usr/lib
489		for i in ${ldconfig_paths}; do
490			if [ -d "${i}" ]; then
491				_LDC="${_LDC} ${i}"
492			fi
493		done
494		echo 'setting ELF ldconfig path:' ${_LDC}
495		${ldconfig} -elf ${_LDC}
496		;;
497	esac
498
499	# Legacy aout support for i386 only
500	case `sysctl -n hw.machine` in
501	i386)
502		# Default the a.out ldconfig path.
503		: ${ldconfig_paths_aout=${ldconfig_paths}}
504		_LDC=/usr/lib/aout
505		for i in ${ldconfig_paths_aout}; do
506			if [ -d "${i}" ]; then
507				_LDC="${_LDC} ${i}"
508			fi
509		done
510		echo 'setting a.out ldconfig path:' ${_LDC}
511		${ldconfig} -aout ${_LDC}
512		;;
513	esac
514fi
515
516# Now start up miscellaneous daemons that don't belong anywhere else
517#
518echo -n starting standard daemons:
519case ${inetd_enable} in
520[Nn][Oo])
521	;;
522*)
523	echo -n ' inetd';	inetd ${inetd_flags}
524	;;
525esac
526
527case ${cron_enable} in
528[Nn][Oo])
529	;;
530*)
531	echo -n ' cron';	cron
532	;;
533esac
534
535case ${lpd_enable} in
536[Yy][Ee][Ss])
537	echo -n ' printer';	${lpd_program:-/usr/sbin/lpd} ${lpd_flags}
538	;;
539esac
540
541case ${sendmail_enable} in
542[Yy][Ee][Ss])
543	if [ -r /etc/mail/sendmail.cf ]; then
544		echo -n ' sendmail';	/usr/sbin/sendmail ${sendmail_flags}
545	fi
546	;;
547esac
548
549case ${sshd_enable} in
550[Yy][Ee][Ss])
551	if [ -x ${sshd_program:-/usr/sbin/sshd} ]; then
552		echo -n ' sshd';
553		${sshd_program:-/usr/sbin/sshd} ${sshd_flags}
554	fi
555	;;
556esac
557
558case ${usbd_enable} in
559[Yy][Ee][Ss])
560	echo -n ' usbd';	/usr/sbin/usbd ${usbd_flags}
561	;;
562esac
563
564echo '.'
565
566# Recover vi editor files.
567find /var/tmp/vi.recover ! -type f -a ! -type d -delete
568vibackup=`echo /var/tmp/vi.recover/vi.*`
569if [ "${vibackup}" != '/var/tmp/vi.recover/vi.*' ]; then
570	echo 'Recovering vi editor sessions'
571	for i in /var/tmp/vi.recover/vi.*; do
572		# Only test files that are readable.
573		if [ ! -r "${i}" ]; then
574			continue
575		fi
576
577		# Unmodified nvi editor backup files either have the
578		# execute bit set or are zero length.  Delete them.
579		if [ -x "${i}" -o ! -s "${i}" ]; then
580			rm -f "${i}"
581		fi
582	done
583
584	# It is possible to get incomplete recovery files, if the editor
585	# crashes at the right time.
586	virecovery=`echo /var/tmp/vi.recover/recover.*`
587	if [ "${virecovery}" != "/var/tmp/vi.recover/recover.*" ]; then
588		for i in /var/tmp/vi.recover/recover.*; do
589			# Only test files that are readable.
590			if [ ! -r "${i}" ]; then
591				continue
592			fi
593
594			# Delete any recovery files that are zero length,
595			# corrupted, or that have no corresponding backup file.
596			# Else send mail to the user.
597			recfile=`awk '/^X-vi-recover-path:/{print $2}' < "${i}"`
598			if [ -n "${recfile}" -a -s "${recfile}" ]; then
599				sendmail -t < "${i}"
600			else
601				rm -f "${i}"
602			fi
603		done
604	fi
605fi
606
607# Make a bounds file for msgs(1) if there isn't one already
608# "Delete important files with symlink" security hole?
609#
610if [ -d /var/msgs -a ! -f /var/msgs/bounds ]; then
611	echo 0 > /var/msgs/bounds
612fi
613
614case ${update_motd} in
615[Nn][Oo] | '')
616	;;
617*)
618	if T=`mktemp /tmp/_motd.XXXXXX`; then
619		uname -v | sed -e 's,^\([^#]*\) #\(.* [1-2][0-9][0-9][0-9]\).*/\([^\]*\) $,\1 (\3) #\2,' > ${T}
620		awk '{if (NR == 1) {if ($1 == "FreeBSD") {next} else {print "\n"$0}} else {print}}' < /etc/motd >> ${T}
621		cmp -s ${T} /etc/motd || {
622			cp ${T} /etc/motd
623			chmod 644 /etc/motd
624		}
625		rm -f ${T}
626	fi
627	;;
628esac
629
630# Configure implementation specific stuff
631#
632arch=`uname -m`
633if [ -r /etc/rc.${arch} ]; then
634	. /etc/rc.${arch}
635fi
636
637# Run rc.devfs if readable to customize devfs
638#
639if [ -r /etc/rc.devfs ]; then
640	sh /etc/rc.devfs
641fi
642
643echo -n additional ABI support:
644
645# Start the Linux binary compatibility if requested.
646#
647case ${linux_enable} in
648[Yy][Ee][Ss])
649	echo -n ' linux'
650	if ! kldstat -v | grep -E 'linux(aout|elf)' > /dev/null; then
651		kldload linux > /dev/null 2>&1
652	fi
653	if [ -x /compat/linux/sbin/ldconfig ]; then
654		/compat/linux/sbin/ldconfig
655	fi
656	;;
657esac
658
659# Start the SysVR4 binary emulation if requested.
660#
661case ${svr4_enable} in
662[Yy][Ee][Ss])
663	echo -n ' svr4';	kldload svr4 > /dev/null 2>&1
664	;;
665esac
666
667echo .
668
669# Do traditional (but rather obsolete) rc.local file if it exists.  If you
670# use this file and want to make it programmatic, source /etc/defaults/rc.conf
671# in /etc/rc.local and add your custom variables to /etc/rc.conf, as
672# shown below.  Please do not put local extensions into /etc/rc itself.
673# Use /etc/rc.local
674#
675# ---- rc.local ----
676#	if [ -r /etc/defaults/rc.conf ]; then
677#		. /etc/defaults/rc.conf
678#		source_rc_confs
679#	elif [ -r /etc/rc.conf ]; then
680#		. /etc/rc.conf
681#	fi
682#
683#	... additional startup conditionals ...
684# ---- rc.local ----
685#
686if [ -r /etc/rc.local ]; then
687	echo -n 'starting local daemons:'
688	sh /etc/rc.local
689	echo '.'
690fi
691
692# For each valid dir in $local_startup, search for init scripts matching *.sh
693#
694case ${local_startup} in
695[Nn][Oo] | '')
696	;;
697*)
698	echo -n 'Local package initialization:'
699	for dir in ${local_startup}; do
700		if [ -d "${dir}" ]; then
701			for script in ${dir}/*.sh; do
702				if [ -x "${script}" ]; then
703					(set -T
704					 trap 'exit 1' 2
705					 ${script} start)
706				fi
707			done
708		fi
709	done
710	echo .
711	;;
712esac
713
714if [ -n "${network_pass3_done}" ]; then
715	network_pass4
716fi
717
718# Raise kernel security level.  This should be done only after `fsck' has
719# repaired local file systems if you want the securelevel to be greater than 1.
720#
721case ${kern_securelevel_enable} in
722[Yy][Ee][Ss])
723	if [ "${kern_securelevel}" -ge 0 ]; then
724		echo 'Raising kernel security level'
725		sysctl -w kern.securelevel=${kern_securelevel}
726	fi
727	;;
728esac
729
730date
731exit 0
732